#3633 - Move linter tests into test/linter

test/linter/test_llc.vader

@@ -0,0 +1,21 @@
+Before:
+  call ale#assert#SetUpLinterTest('llvm', 'llc')
+
+  function! AssertHasPrefix(str, prefix) abort
+    let msg = printf("'%s' is expected to be prefixed with '%s'", a:str, a:prefix)
+    AssertEqual stridx(a:str, a:prefix), 0, msg
+  endfunction
+
+After:
+  delfunction AssertHasPrefix
+
+  call ale#assert#TearDownLinterTest()
+
+Execute(The llc command should be customizable):
+  AssertLinter 'llc',
+  \ ale#Escape('llc') . ' -filetype=null -o=' . g:ale#util#nul_file
+
+  let g:ale_llvm_llc_executable = 'llc-5.0'
+
+  AssertLinter 'llc-5.0',
+  \ ale#Escape('llc-5.0') . ' -filetype=null -o=' . g:ale#util#nul_file